[   59.386866][  T546] 
[   59.387106][  T546] =============================
[   59.387281][  T546] WARNING: suspicious RCU usage
[   59.387447][  T546] 6.14.0-rc6-virtme #1 Not tainted
[   59.387614][  T546] -----------------------------
[   59.387779][  T546] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage!
[   59.388062][  T546] 
[   59.388062][  T546] other info that might help us debug this:
[   59.388062][  T546] 
[   59.388395][  T546] 
[   59.388395][  T546] rcu_scheduler_active = 2, debug_locks = 1
[   59.388639][  T546] 1 lock held by arping/546:
[   59.388806][  T546]  #0: ffffffff85f6f640 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f5/0x18d0
[   59.389129][  T546] 
[   59.389129][  T546] stack backtrace:
[   59.389337][  T546] CPU: 0 UID: 0 PID: 546 Comm: arping Not tainted 6.14.0-rc6-virtme #1
[   59.389341][  T546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.389343][  T546] Call Trace:
[   59.389345][  T546]  <TASK>
[   59.389348][  T546]  dump_stack_lvl+0xb0/0xd0
[   59.389356][  T546]  lockdep_rcu_suspicious+0x1ea/0x280
[   59.389366][  T546]  dev_hard_start_xmit+0x2fc/0x3f0
[   59.389378][  T546]  __dev_queue_xmit+0xfaa/0x18d0
[   59.389382][  T546]  ? _copy_from_iter+0x1d2/0x12e0
[   59.389400][  T546]  ? __pfx___dev_queue_xmit+0x10/0x10
[   59.389405][  T546]  ? packet_parse_headers+0x243/0x9d0
[   59.389415][  T546]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[   59.389422][  T546]  ? __pfx_packet_parse_headers+0x10/0x10
[   59.389427][  T546]  ? skb_copy_datagram_from_iter+0xe6/0x6e0
[   59.389434][  T546]  ? dev_get_by_index+0xb2/0x190
[   59.389444][  T546]  packet_snd+0xd0d/0x19c0
[   59.389456][  T546]  ? __lock_release+0x103/0x460
[   59.389459][  T546]  ? __might_fault+0x11b/0x170
[   59.389465][  T546]  ? __pfx_packet_snd+0x10/0x10
[   59.389468][  T546]  ? trace_lock_acquire+0x14c/0x1f0
[   59.389471][  T546]  ? __pfx___lock_release+0x10/0x10
[   59.389477][  T546]  ? lock_acquire+0x32/0xc0
[   59.389483][  T546]  ? __might_fault+0x11b/0x170
[   59.389494][  T546]  __sys_sendto+0x3c3/0x450
[   59.389501][  T546]  ? __pfx___sys_sendto+0x10/0x10
[   59.389513][  T546]  ? __lock_release+0x103/0x460
[   59.389518][  T546]  ? __pfx___lock_release+0x10/0x10
[   59.389526][  T546]  ? __pfx___up_read+0x10/0x10
[   59.389532][  T546]  ? do_user_addr_fault+0x374/0xe30
[   59.389543][  T546]  ? do_user_addr_fault+0x374/0xe30
[   59.389550][  T546]  __x64_sys_sendto+0xe0/0x1c0
[   59.389555][  T546]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   59.389559][  T546]  do_syscall_64+0xc1/0x1d0
[   59.389567][  T546]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   59.389571][  T546] RIP: 0033:0x7f87fa113a4a
[   59.389575][  T546] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
[   59.389578][  T546] RSP: 002b:00007ffdc9931cb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   59.389581][  T546] RAX: ffffffffffffffda RBX: 0000000000000100 RCX: 00007f87fa113a4a
[   59.389583][  T546] RDX: 000000000000001c RSI: 00007ffdc9931cd0 RDI: 0000000000000005
[   59.389585][  T546] RBP: 00007ffdc9931e20 R08: 00007ffdc9933280 R09: 0000000000000014
[   59.389587][  T546] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f87f9fc1710
[   59.389588][  T546] R13: 00000000004047b4 R14: 0000000000407de0 R15: 00007f87fa219000
[   59.389605][  T546]  </TASK>
[   74.537129][  T681] GACT probability NOT on